/* flex弹性布局 */
.fdc,
.jc,
.ac,
.as,
.jac,
.jsa,
.jsb,
.jse,
.jsbw,
.fw,
.jend,
.aend,
.jfs,
.no-blank,
.df {
	display: flex;
}

.ffrw {
	flex-flow: row wrap;
}

.fdc {
	flex-direction: column;
}

.jc {
	justify-content: center;
}

.ac {
	align-items: center;
}

.as {
	align-items: flex-start;
}

.ais {
	display: flex;
	align-items: stretch;
}

.aend {
	align-items: flex-end;
}

.jac {
	justify-content: center;
	align-items: center;
}

.jsa {
	justify-content: space-around;
}

.jsb {
	justify-content: space-between;
}

.jse {
	justify-content: space-evenly;
}

.jend {
	justify-content: flex-end;
}

.jfs {
	justify-content: flex-start;
}

.jsbw {
	justify-content: space-between;
	flex-wrap: wrap;
}

.fw {
	flex-wrap: wrap;
}

.flexA {
	flex: auto;
}

.flexN {
	flex: none;
}

/* 缩进两个字宽*/
.ti2 {
	text-indent: 2em;
}

/*定位*/
.tal {
	text-align: left;
}

.tac {
	text-align: center;
}

.tar {
	text-align: right;
}

.pos-r {
	position: relative;
}

.pos-a {
	position: absolute;
}

.pos-f {
	position: fixed;
}

.wid_100 {
	width: 100%;
}

.hei_100 {
	height: 100%;
}

/*隐藏*/
.vish {
	visibility: hidden;
}

.overh {
	overflow: hidden;
}